Earth & Environmental Sciences
albedo
16%
amino acid
17%
analysis
26%
asteroid
35%
bark
18%
basin
24%
beetle
29%
biodiversity
15%
biomass
27%
boreal forest
16%
canopy
25%
canyon
23%
carbon
49%
climate
45%
climate change
34%
community composition
14%
comparison
17%
coniferous tree
28%
cost
16%
crater
26%
decomposition
14%
desert
19%
detection
15%
distribution
25%
disturbance
22%
drought
30%
dust
14%
economics
14%
ecosystem
68%
effect
43%
experiment
19%
fungus
25%
gene
17%
genotype
16%
grass
18%
grassland
21%
habitat
28%
herbivore
19%
herbivory
17%
history
21%
Holocene
24%
ice
17%
insect
17%
isotope
14%
lake
32%
land
20%
litter
19%
loss
18%
Mars
38%
material
14%
method
16%
microbial community
15%
modeling
25%
mortality
22%
mountain
29%
national park
15%
nitrogen
27%
North America
22%
nutrient
15%
oak
19%
permafrost
21%
phenology
15%
pine
90%
planet
14%
plant community
14%
plateau
20%
policy
17%
prairie
14%
productivity
29%
racemization
16%
rate
26%
regeneration
14%
remote sensing
16%
resource
19%
respiration
16%
restoration
41%
river
22%
science
16%
sediment
25%
seed
15%
seedling
20%
shrub
20%
soil
59%
soil carbon
17%
soil crust
17%
tectonics
14%
temperature
26%
test
15%
thinning
24%
tourism
20%
trend
17%
tundra
19%
understory
17%
valley
19%
vegetation
41%
warming
30%
water
21%
wildfire
40%
woodland
16%
young
18%
Agriculture & Biology
Arceuthobium
25%
Arctic region
15%
bark beetles
21%
biodiversity
18%
biological soil crusts
26%
biomass
19%
birds
12%
boreal forests
14%
Burkholderia pseudomallei
14%
canopy
23%
canyons
17%
carbon
48%
carbon dioxide
16%
carbon sinks
13%
case studies
12%
Chiroptera
11%
climate
44%
climate change
46%
Coleoptera
15%
coniferous forests
58%
conifers
14%
degradation
15%
deserts
14%
drought
29%
ecological function
12%
ecological restoration
18%
ecology
17%
ecosystems
95%
eddy covariance
13%
environmental factors
12%
fire history
11%
fire regime
24%
fire severity
16%
forest restoration
17%
fungal communities
11%
fungi
13%
genetic variation
13%
genome
11%
genotype
12%
global change
12%
global warming
11%
grasses
13%
grasslands
19%
habitats
28%
herbivores
28%
lakes
18%
leaves
16%
lidar
11%
managers
15%
meta-analysis
13%
methodology
20%
Mexico
12%
microbial communities
17%
mixed forests
12%
monitoring
13%
mountains
14%
mycorrhizal fungi
13%
national parks
11%
net primary productivity
17%
nitrogen
27%
nutrients
14%
permafrost
22%
phenology
12%
phylogeny
11%
Picea mariana
12%
Pinus
24%
Pinus edulis
17%
Pinus ponderosa
100%
planning
12%
plant communities
15%
Populus angustifolia
11%
Populus fremontii
12%
prediction
12%
prescribed burning
17%
Pseudotsuga menziesii
12%
Quercus
15%
remote sensing
19%
sampling
14%
sediments
15%
seedlings
11%
shrublands
12%
shrubs
19%
soil
50%
soil carbon
16%
soil respiration
13%
Southwestern United States
20%
species diversity
17%
species richness
14%
temperature
19%
terrestrial ecosystems
17%
testing
12%
thinning (plants)
24%
tree mortality
11%
tundra
20%
uncertainty
14%
understory
15%
vegetation
39%
water
17%
wildfires
51%
woodlands
18%
Medicine & Life Sciences
Accidental Falls
12%
Alaska Natives
13%
Animals
17%
Ankle
11%
Athletes
11%
Bacillus anthracis
23%
Bacteria
20%
Biodiversity
14%
Biomass
12%
Biomechanical Phenomena
12%
Burkholderia
10%
Burkholderia pseudomallei
38%
Carbon
37%
Carbon Cycle
11%
Caregivers
14%
Child
21%
Climate
33%
Climate Change
23%
Coccidioides
16%
Coccidioidomycosis
10%
Coleoptera
14%
Communication
10%
Community Health Workers
12%
Connectin
16%
Costs and Cost Analysis
12%
Delivery of Health Care
14%
Direction compound
10%
Disease Outbreaks
14%
DNA
18%
Droughts
16%
Ecology
15%
Ecosystem
73%
Education
26%
Equipment and Supplies
11%
Escherichia coli
10%
Exercise
36%
Fatigue
10%
Food
13%
Foot
13%
Forests
39%
Francisella tularensis
12%
Fungi
17%
Gait
18%
Gases
10%
Genes
24%
Genetic Variation
12%
Genome
39%
Genotype
13%
Grassland
11%
Growth
23%
Health
34%
Herbivory
14%
Hispanic Americans
17%
Hot Temperature
10%
Infections
13%
Interviews
12%
Language
13%
Learning
13%
Light
13%
Lung
12%
Melioidosis
17%
Mexico
15%
Microbiota
26%
Minisatellite Repeats
13%
Muscles
27%
Mutation
10%
Mycobiome
11%
Nitrogen
19%
North American Indians
48%
Nutrients
12%
Occupational Groups
12%
Pandemics
10%
Plasmids
11%
Population
30%
Populus
15%
Pressure
14%
Proteins
15%
Pseudomonas aeruginosa
24%
Psychology
13%
Public Health
16%
Research Personnel
13%
Respiration
11%
Sciuridae
17%
Sexual and Gender Minorities
10%
Single Nucleotide Polymorphism
13%
Skeletal Muscle
11%
Soil
76%
Soybeans
11%
Sports
13%
Students
45%
Technology
10%
Temperature
22%
Therapeutics
12%
Ticks
11%
Tundra
14%
Walking
28%
Water
26%
Weights and Measures
11%
Wounds and Injuries
11%
Yersinia pestis
11%